What compound are you using for your bottles that shape? I’ve been running the 1500 on most all mine and haven’t have to use the aluminum oxide or the half micronI’m on a time crunch now that the Central Texas Bottle show is just a little over a month away and I want to get the worse of stains and mineral deposits off as many bottles as I can. This one didn’t receive the final polishing step but I think it still turned out pretty well. Galveston Texas hutch